Advertisements
Advertisements
Question
What is the SI unit of frequency?
Advertisements
Solution
The SI unit of frequency is hertz (Hz).
APPEARS IN
RELATED QUESTIONS
How does the sound produced by a vibrating object in a medium reach your ear?
Explain how sound is produced by your school bell.
Fill in the blank.
Sound is produced when a body ______.
Explain why you can predict the arrival of a train by placing your ear on the rails without seeing it.
Name the physical qantity whose SI unit is 'hertz'.
Name four ways in which sound can be produced.
Draw the sketches of two waves A and B such that wave A has twice the wavelength and half the amplitude of wave B.
A device called oscillator is used to send waves along a stretched string. The string is 20 cm long, and four complete waves fit along its length when the oscillator vibrates 30 times per second. For the waves on the strings.
(a) what is their wavelength?
(b) what is their frequency
(c) what is their speed?
The region in a sound wave, with higher pressure and density, is called ______ and that with low pressure and density is called ______.
______ is produced when an object is set to vibrate.
